Minimum software and hardware requirements to install and run CMS IntelliCAD 8.1 and older versions:

For 32-bit operating systems, install the 32-bit version of IntelliCAD.

For 64-bit operating systems, install either the 32-bit or 64-bit version of Intel­liCAD. The 64-bit version of IntelliCAD runs slightly faster, but can use all available system memory to handle large drawing files. IntelliCAD 32-bit can access up to 3GB of RAM on 32-bit operating systems and up to 4GB of RAM on 64-bit operating systems.